AD9754
–7–
REV. A
Typical AC Characterization Curves
(AVDD = +5 V, DVDD = +3 V, IOUTFS = 20 mA, 50
Doubly Terminated Load, Differential Output, TA = +25 C, SFDR up to Nyquist, unless
otherwise noted)
fOUT – MHz
SFDR
–
dB
90
80
40
0.1
100
110
60
70
5MSPS
25MSPS
65MSPS
50MSPS
125MSPS
50
Figure 3. SFDR vs. fOUT @ 0 dBFS
fOUT – MHz
SFDR
–
dBc
90
40
05
30
10
15
20
80
70
60
0dBFS
–6dBFS
–12dBFS
25
50
Figure 6. SFDR vs. fOUT @ 65 MSPS
AOUT – dBFS
SFDR
–
dB
90
40
85
75
80
70
65
55
60
50
45
–30
–25
0
–20
–15
–10
–5
455kHz
@5MSPS
2.27MHz
@25MSPS
59.1MHz
@65MSPS
11.37MHz
@125MSPS
Figure 9. Single-Tone SFDR vs. AOUT
@ fOUT = fCLOCK/11
FREQUENCY – MHz
SFDR
–
dB
85
40
0.0
2.0
0.4
0.8
1.2
1.6
80
75
70
60
55
65
0dBFS
–6dBFS
–12dBFS
50
45
90
Figure 4. SFDR vs. fOUT @ 5 MSPS
fOUT – MHz
SFDR
–
dBc
90
40
010
50
20
30
40
80
70
60
0dBFS
–6dBFS
–12dBFS
50
60
Figure 7. SFDR vs. fOUT @125 MSPS
AOUT – dBFS
SFDR
–
dB
100
40
90
70
80
50
60
–30
–25
0
–20
–15
–10
–5
1MHz
@5MSPS
5MHz
@25MSPS
25MHz
@125MSPS
13MHz
@65MSPS
Figure 10. Single-Tone SFDR vs.
AOUT @ fOUT = fCLOCK/5
FREQUENCY – MHz
SFDR
–
dB
90
95
02
46
8
10
80
75
70
60
55
65
0dBFS
–6dBFS
–12dBFS
50
45
85
Figure 5. SFDR vs. fOUT @ 25 MSPS
80
10mA FS
fOUT – MHz
SFDR
–
dBc
90
40
0
212
468
10
60
50
70
20mA FS
5mA FS
Figure 8. SFDR vs. fOUT and
IOUTFS @ 25 MSPS and 0 dBFS
fCLOCK – MSPS
SNR–
dB
85
60
0
40
140
60
80
100
120
80
70
75
65
20
20mA FS
5mA FS
10mA FS
Figure 11. SNR vs. fCLOCK and IOUTFS
@ fOUT = 2 MHz and 0 dBFS